Also found in: Dictionary, Wikipedia.


A volume or set of volumes that is a record of the status of cases or statutes.

A citator is a guide published primarily for use by judges and lawyers when they are in the process of preparing such papers as judicial decisions, briefs, or memoranda of law. Its purpose is to provide a judicial history of cases and statutes as well as to make a note of new cases. A citator indicates whether or not the law in a particular case has been followed, modified, or overruled in subsequent cases.

A citator is usually organized into columns of citations. Various abbreviations designate such things as whether a case has been over-ruled, superseded, or cited in the dissenting opinion of a later case.

The most well-known and commonly used citator is Shepard's Citations. The process of consulting this book or any other citator is known as shepardizing a case.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.


a book that lists citations of one authority in a later authority. This allows the legal researcher to discover whether a case has been approved or if it has been decided to overrule it.
Collins Dictionary of Law © W.J. Stewart, 2006
References in periodicals archive ?
This can be found on Online Sunshine under the "Citator" link at
(49) For most of the twentieth century, Shepard's citator service was the industry standard, and an essential part of the legal research process to verify, that a found authority was still a valid source of law.
Matthew Bender (Charlottesville, VA) has published the 2006 edition of the "American Institute of Architects Legal Citator," a softbound case finder which lists and digests relevant federal and state decisions that interpret AIA construction contracts and related documents.
Network Citator Function Tracks the History of Cases
Information search phase * Provide tax memorandum to reviewed * Access to CCH-Online with unique log-in and password * Search Dependent Measures: TOTALTIME (time spent on research) TIMENEW (time spent performing new searches and viewing new information [i.e., non-cited authorities]) NUMSEARCH (the number of keyword and citator searches performed, excluding repeats) NUMVIEW (the number of authorities viewed, excluding repeats) SUPPORT (time spent verifying the supporting authorities/ CITETlME) 5.
Whether you are using the software versions of Lexis and Westlaw--or accessing their citator services on the Web through or enter a case citation.
Its case citator, QuickCite, contains parallel citations, case histories, cases, and judicial treatments, while the service provides access to 2500 databases of statutory materials, caselaw, current awareness newsletters and legal commentary.
Search of Westlaw, MDAUBREP (Mealey's Daubert Reports), and DAUBERT (the Daubert Citator).